[mythtv] Channel ordering wrong in 5.1 (at least for me)

[Ed W]

I should caveat that this post is ONLY for people using analogue outputs 
from their card, not digital output via spdif, etc (I would expect that 
to work ok)


On 04/04/2010 00:18, Ed W wrote:
> OK, quick show of hands - how many people have 5.1 output from Myth 
> and if so is your channel ordering correct?  If so/not can you please 
> state what audio driver you are using? If Myth works correctly for 
> you, does mplayer get the channel ordering wrong on your setup?
>
> Using Jack as my output driver I believe I am seeing channel ordering 
> from Myth as:
>     "lf", "rf", "center", "lfe", "lr", "rr"
>     (lr = left rear, rf = right front, etc)
>
> What I am expecting is (This is the ordering used by default out of 
> mplayer/xine):
>     "lf", "rf", "lr", "rr", "center", "lfe"
>
> I can easily fix the problem for just the jack layer, but it seems 
> reasonably likely that this wants adjusting in some smarter way for 
> everyone I think?
>
> The background to this is that BOTH of the above channel orderings are 
> "valid", and also it's fairly easy to remap any given device using 
> alsa/jack.
>
> However, my reading on this suggests that the "Front x2, rear x2, c, 
> lfe" ordering is the most common arrangement on linux, and in 
> particular is the Alsa, mplayer, xine default?  Anyone care to comment 
> either way?
>
> Can I see some feedback on who this is working for and who it's broken 
> for right now so that I can get an idea on best way to go with this?
>
> Thanks
>
> Ed W
>
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